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General Science MCQ Questions and Answers for competitive exams

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General Science MCQ Questions and Answers for competitive exams UPSC IAS Prelims, SSC CGL, CHSL,UGC NET, bank exams , Entrance exams test Online Quiz practice Questions Practice

General Science gk Questions and Answers

2356.
All acids are

a
Irritant when they are strong
b
Corrosive when they are weak
c
Corrosive when they are strong
d
None of these
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2357.
The disease diphtheria affects

a
Lungs
b
Intestine
c
Throat
d
Body joints
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2358.
Which one among the following food crops is not categorized under 'millets'?

a
Ragi
b
Wheat
c
Bajra
d
Jowar
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2359.
Rust is

a
A mixture of Fe2O3, 3H2O and FeO
b
A mixture of Fe2O3and Fe(OH)2
c
A mixture of FeO and Fe(OH)2
d
FeO only
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2360.
Cooking gas is a mixture of -

a
Butane and Propane
b
Methane and Ethylene
c
Carbondioxide and Oxygen
d
Carbonmonoxide and carbondioxide
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2361.
Hormones are produced by

a
Endocrine glands
b
Pancreas
c
Pituitary glands
d
Hypothalamus
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2362.
If a metal can be drawn into wires relatively easily it is called

a
malleable
b
ductile
c
extractive
d
tactile
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2363.
Which of the following is a main Kharif crop?

a
Rice
b
Cotton
c
Bajra
d
Barley
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2364.
Which of the following gases is lighter than air?

a
Oxygen
b
Carbon dioxide
c
Chlorine
d
Ammonia
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2365.
Which method of water purification does not kill microorganism?

a
Boiling
b
Filtration
c
Chlorination
d
UV-irradiation
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2366.
Kilowatt is a unit to measure

a
work
b
power
c
electricity
d
current
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2367.
Wood is the main raw material for the manufacture of

a
gun powder
b
paper
c
ink
d
paint
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2368.
Potassium nitrate is used in

a
Fertiliser
b
Medicine
c
Salt
d
Glass
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2369.
Atoms of an element differ from those of all other elements in

a
atomic number and electronic configuration
b
number of neutrons and number of valence electrons
c
atomic number and number of valence electrons
d
number of neutrons and electronic con- figuration
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2370.
Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?

a
The north pole of another permanent magnet
b
A piece of iron that is not a permanent magnet
c
A positively charged glass rod
d
A negatively charged rubber rod
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